Bonnie and Clyde
Big Black Train, written by George Sherry, was indeed recorded by (Lester) Flatt & (Earl) Scruggs. The song first appeared in their 1959 Mercury album titled Lester Flatt & Earl Scruggs.
Earl Scruggs and Lester Flatt
A number of movies and television programs, some not-strictly speaking country and western themed, used (Bluegrass) background music such as Flatt and Scruggs, for example. Beverly Hillbillies is the easy answer but the gangster film Bonnie and Clyde certainly fits in.
Flatt and Scruggs Grand Ole Opry - 1955 was released on: USA: 1955
The name of the song is "It was only the wind" by Lester Flatt and Earl Scruggs. It is on the 1964 - 1969 album.
Earl Scruggs and Lester Flatt (APEX)
Flatt & Scruggs
three or four
The cast of Flatt and Scruggs Grand Ole Opry - 1955 includes: Hylo Brown as Himself - Guest Lester Flatt as himself Josh Graves as himself Mother Maybelle Carter as Herself - Guest Earl Scruggs as himself Randy Scruggs as Himself - Guest Curly Seckler as himself Ricky Skaggs as Himself - Guest Jake Tullock as himself
New York Town
Pearl